This is true even with mons on HDD, though presumably this is a very small cluster with relatively light mon workload
> On Nov 16, 2025, at 12:15 PM, Robert Sander <[email protected]> > wrote: > > Hi, > > On 11/15/25 22:10, filip Mutterer wrote: >> its about my Lab setup. As I didn't have a thought about the space >> requirements for the root file system I want to know if there is a rule by >> thumb how much space a cpeh mon might need? rightnow I only have the >> "whoami" container running in rook-ceph so it does consume nearly no space >> in the OSD. But how far can I go with only 1.7 GB left on my Raspberry Pi's >> sdcard? > > Do not run something that does a lot of random writes on an SD card. > > I have seen Ceph clusters dying because the MON db was not fast enough > because of a detoriating SD card. > > Regards > -- > Robert Sander > Heinlein Consulting GmbH > Schwedter Str. 8/9b, 10119 Berlin > > http://www.heinlein-support.de > > Tel: 030 / 405051-43 > Fax: 030 / 405051-19 > > Zwangsangaben lt. §35a GmbHG: > HRB 220009 B / Amtsgericht Berlin-Charlottenburg, > Geschäftsführer: Peer Heinlein -- Sitz: Berlin > _______________________________________________ > ceph-users mailing list -- [email protected] > To unsubscribe send an email to [email protected] _______________________________________________ ceph-users mailing list -- [email protected] To unsubscribe send an email to [email protected]
